Wyze Cam v4 wins on resolution and price with 2.5K QHD and $36 MSRP versus Blink Outdoor 4's 1080p at $120. Blink Outdoor 4 provides up to two-year battery life with AA lithium batteries while Wyze adds IP65 rating and motion spotlight. Wyze Cam v4 is the stronger pick for most users needing higher detail at lower cost.